The big question is, can the charities servieve when there is no tax deduction for people, business to write off. The church’s may do all right. How about the colleges, schools soup kitchens that depend on people and business that donate large and small sums of money for research or for building infrastructure at the schools. What would be the consequences of people that fund scholarships. A flat tax is a nice sound bite, but one has to consider the larger picture of how and what deductions are tied to. With a flat tax would the now non profits be required to pay a flat tax on donations and grants? Much more complicated than what we can fix hear.